AB cum laude, Harvard College, 1957; postgraduate, Harvard University, 1959-1961; Doctor of Philosophy, Harvard University, 1966.
He assumed the post of Acting Secretary General of the Organization of American States (Organization of American States) in October 2004 upon the resignation of Secretary General Miguel Ángel Rodríguez. He served in the United States Army between 1957 and 1959. Following his military service, Einaudi was at the Woodrow Wilson International Center for Scholars.
Einaudi has taught at Harvard University, Wesleyan University, University of California, Los Angeles and Georgetown University, and lectured at other universities and other societies in the United States, Latin America and Europe.
A published author, Einaudi has written articles and monographs. He was the principal author of the book Beyond Cuba, Latin America Takes Charge of Its Future (1974).
From 1989 to 1993, Einaudi was the United States Ambassador to the Organization of American States. He was elected as Assistant Secretary General in June 2000 by a 27–7 vote of the member states at the 30th regular session of the Organization of American States General Assembly, held in Windsor, Ontario, Canada.
He assumed the post of Acting Secretary General of the Organization of American States (Organization of American States) in October 2004 upon the resignation of Secretary General Miguel Ángel Rodríguez.
Einaudi is married to Carol Ann Peacock, a lawyer specialising in intellectual property.
Today Einaudi is a member of the Council on Foreign Relations and is on the board of educational and non-profit institutions in the United States and Italy, particularly the Fondazione Luigi Einaudi (Turin).
Married Carol Peacock, August 26, 1958. Children: Maria, Elisabeth, Mario, Peter.